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In the scheme below, draw chemical structures in the box and reagent(s) over/under the dashed arrows....
Propose structures for U and V in the scheme below and, using curly arrows, draw the...
Propose structures for U and V in the scheme below and, using curly arrows, draw the mechanisms for BOTH steps. (a) CO2Et Cl NEt3 CH2Cl2 NaH DMF (6 marks) A chemist is attempting to make X from W using ammonia. Explain why this is not a good approach, drawing all the possible products that might form. Suggest ONE alternative method for the synthesis of X, also starting from W. (b) (6 marks) Draw BOTH possible Fischer projections for glyceraldehyde Y...
1. Use the template below to summarize all methods to prepare alcohols. Reagent Reaction Scheme Substrate...
1. Use the template below to summarize all methods to prepare alcohols. Reagent Reaction Scheme Substrate (s) Comments Functional group of the product Mechanism (type) Stereochemical Implications Alkyl Halide hydroxide alcohol R-Br + oH — R-OH + Br® Sw2 yes, with secondary R-X. Inversion of stereochemical configuration Works for CH3-X, primary and secondary Alkyl Halide Alkene
draw the missing structures for the letters Scheme 1 Br S NaOH CI + A B...
draw the missing structures for the
letters
Scheme 1 Br S NaOH CI + A B + С H2N NH2 Scheme 2 1. MCPBA Na2Cr2O7 D E 2. H20, H30+ H30+ Scheme 3 1. LIAIH4 PBr3 F G Н 2. H30+ ether Scheme 4 1. H20, Hg(OAc)2 DMP H I 2. NaBH4 CH2Cl2 Scheme 5 OH tosyl chloride Na J K pyridine ОН
In Part 1, draw the mechanism arrows for the following reaction (left box) and draw the...
In Part 1, draw the mechanism arrows for the following reaction
(left box) and draw the major organic product (right box). In Part
2, identify the byproducts of the reaction. Draw the major organic
product only. Be sure to include the correct stereochemistry or
geometry
Draw the major organic product only. Be sure to include the correct stereochemistry or geometry. Н С о S F P CI Br I
Noting the curved arrows, draw all the product(s), organic and inorganic, of the following reacti...
Noting the curved arrows, draw all the product(s), organic and inorganic, of the following reaction. . You do not have to consider stereochemistry Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right cormer. Separate structures with+ signs from the drop-down menu. ChemDoodie Noting the curved arrows, draw all the product(s), organic and inorganic, of the following reaction. H :O: . You do not have to consider stereochemistry Draw one structure per sketcher. Add...
S. Answer ALI. parts (a) Draw structures for compounds G-L. formed in the scheme below HBr...
S. Answer ALI. parts (a) Draw structures for compounds G-L. formed in the scheme below HBr 1 HBr, peroxides 0) 0s04 il) NalHSO, Cly, H20 (b) Write mechanisms for the reactions leading to compounds G, H and K above. Devise a reaction sequence for achieving the conversion: (12) (c) Give reagents and conditions and draw the structures of the intermediate compounds formed. Reaction mechanisms are not required
NH2 OH Ph In the box below, draw the structures of all of the products of...
NH2 OH Ph In the box below, draw the structures of all of the products of this acid-base reaction
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which takes place under basic conditions. Please draw a b...
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which takes place under basic conditions. Please draw a box around your final balanced equation. [Note: this is a disproportionation reaction in which a species (e.g., P is oxidized and reduced.] P4 (s)PH (g) +HPO,2(aq)
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which...
In each reaction box, place the best reagent or reactant from the list below. Reagents may...
In each reaction box, place the best reagent or reactant from the list below. Reagents may be used more than once or not at all. Draw the intermediate products B and C (both are neutral; omit byproducts). The six reaction boxes of the labeling scheme are correct. Examine the drawing area(s) marked as incorrect.
- For each reaction below, draw all appropriate arrows to indicate the flow of electron starting...
- For each reaction below, draw all appropriate arrows to indicate the flow of electron starting structures. Fill in the box above the arrows with the reaction mechanism as SNI SNO and/or E1 then draw the product(s). Сн,он * CH,OH CH,SK + Acetone 2. (a) For the following reaction, what solvent would favor SN2 (protic or aprotic)? Provide one example of the appropriate solvent. (b) Please explain why you chose your answer for (a).
Propose structures for U and V in the scheme below and, using curly arrows, draw the mechanisms for BOTH steps. (a) CO2Et Cl NEt3 CH2Cl2 NaH DMF (6 marks) A chemist is attempting to make X from W using ammonia. Explain why this is not a good approach, drawing all the possible products that might form. Suggest ONE alternative method for the synthesis of X, also starting from W. (b) (6 marks) Draw BOTH possible Fischer projections for glyceraldehyde Y...
1. Use the template below to summarize all methods to prepare alcohols. Reagent Reaction Scheme Substrate (s) Comments Functional group of the product Mechanism (type) Stereochemical Implications Alkyl Halide hydroxide alcohol R-Br + oH — R-OH + Br® Sw2 yes, with secondary R-X. Inversion of stereochemical configuration Works for CH3-X, primary and secondary Alkyl Halide Alkene
draw the missing structures for the
letters
Scheme 1 Br S NaOH CI + A B + С H2N NH2 Scheme 2 1. MCPBA Na2Cr2O7 D E 2. H20, H30+ H30+ Scheme 3 1. LIAIH4 PBr3 F G Н 2. H30+ ether Scheme 4 1. H20, Hg(OAc)2 DMP H I 2. NaBH4 CH2Cl2 Scheme 5 OH tosyl chloride Na J K pyridine ОН
In Part 1, draw the mechanism arrows for the following reaction
(left box) and draw the major organic product (right box). In Part
2, identify the byproducts of the reaction. Draw the major organic
product only. Be sure to include the correct stereochemistry or
geometry
Draw the major organic product only. Be sure to include the correct stereochemistry or geometry. Н С о S F P CI Br I
Noting the curved arrows, draw all the product(s), organic and inorganic, of the following reaction. . You do not have to consider stereochemistry Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right cormer. Separate structures with+ signs from the drop-down menu. ChemDoodie Noting the curved arrows, draw all the product(s), organic and inorganic, of the following reaction. H :O: . You do not have to consider stereochemistry Draw one structure per sketcher. Add...
S. Answer ALI. parts (a) Draw structures for compounds G-L. formed in the scheme below HBr 1 HBr, peroxides 0) 0s04 il) NalHSO, Cly, H20 (b) Write mechanisms for the reactions leading to compounds G, H and K above. Devise a reaction sequence for achieving the conversion: (12) (c) Give reagents and conditions and draw the structures of the intermediate compounds formed. Reaction mechanisms are not required
NH2 OH Ph In the box below, draw the structures of all of the products of this acid-base reaction
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which takes place under basic conditions. Please draw a box around your final balanced equation. [Note: this is a disproportionation reaction in which a species (e.g., P is oxidized and reduced.] P4 (s)PH (g) +HPO,2(aq)
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which...
In each reaction box, place the best reagent or reactant from the list below. Reagents may be used more than once or not at all. Draw the intermediate products B and C (both are neutral; omit byproducts). The six reaction boxes of the labeling scheme are correct. Examine the drawing area(s) marked as incorrect.
- For each reaction below, draw all appropriate arrows to indicate the flow of electron starting structures. Fill in the box above the arrows with the reaction mechanism as SNI SNO and/or E1 then draw the product(s). Сн,он * CH,OH CH,SK + Acetone 2. (a) For the following reaction, what solvent would favor SN2 (protic or aprotic)? Provide one example of the appropriate solvent. (b) Please explain why you chose your answer for (a).
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